- 12 updates
Overnight it will turn icy as temperatures tumble. The mercury is set to fall as low as -10c in rural snow covered spots where the cloud breaks with freezing fog forming in the north and east by the early hours.
The east coast will see fog developing in the early hours.
A much brighter day is expected in many places tomorrow, but it will stay very cold throughout the day.
It is set to stay cold and frosty as the week continues. Staying icy and with more snow on the way until the weather changes at the weekend.
The weekend temperatures recover and a slow thaw.
Those of us struggling to keep warm during the recent snowy spell might find ourselves turning to cosy blankets and hot cups of tea - and we're not alone.
These chimps, who would usually be basking in the heat of the rainforests in the wild, are adopting the same measures as us to combat the cold.
But staff at the Wales Ape and Monkey Sanctuary in Swansea say in reality the chimps are coping just fine - and joked that one or two like Nakima, pictured above, are prone to 'milking it'.
Kevin Ashford braved the 'brass monkeys' weather to meet the primates.
Around 40 schoolchildren are awaiting rescue after their bus slid off a road near Crymych in Pembrokeshire.
The pupils, from Ysgol y Preseli, were on their way home after their school closed early due to bad weather.
It happened between Maenclochog and Mynachlogddu. There are no reported injuries.
A spokesperson for Pembrokeshire County Council said: "The pupils are staying onboard while waiting for a relief bus to collect them and continue their journey."
On Monday, 16 children and three adults had a lucky escape when a schoolbus slid off the road and became trapped on an embankment in the village of Llanfach, near Abercarn.
The Met Office has issued a level three alert for parts of England as the cold snap continues.
Forecasters say there is a 100 percent probability of severe cold weather, ice and snow in large parts of England between now and Friday.
For more localised forecasts visit the Met Office website.
Fresh snow has fallen across many parts of the UK overnight, continuing a week of disruption to schools, airports and traffic networks.
Up to 9cm (3.5in) has already fallen in some of the worst affected areas, including southern England, south-west England, the West Midlands and Wales.
Northern Scotland and northern England also had a further dumping of around 2cm (0.8in).
The snow is expected to ease throughout the day when it will become confined to south Wales and south-west England.
Motorists in Somerset have been forced to abandon their cars due to heavy snowfall overnight.
Around 20 motorists have spent the night at Netherstowe village hall, with rescue teams expected to reach them before midday today.
Amber weather warnings have been put in place for parts of the south west this morning, with more snow expected.
ITV Daybreak's Richard Gaisford reports.